Class CodecService

java.lang.Object
org.elasticsearch.index.codec.CodecService

public class CodecService
extends java.lang.Object
Since Lucene 4.0 low level index segments are read and written through a codec layer that allows to use use-case specific file formats & data-structures per field. Elasticsearch exposes the full Codec capabilities through this CodecService.
  • Field Summary

    Fields
    Modifier and Type Field Description
    static java.lang.String BEST_COMPRESSION_CODEC  
    static java.lang.String DEFAULT_CODEC  
    static java.lang.String LUCENE_DEFAULT_CODEC
    the raw unfiltered lucene default.
  • Constructor Summary

    Constructors
    Constructor Description
    CodecService​(MapperService mapperService, org.apache.logging.log4j.Logger logger)  
  • Method Summary

    Modifier and Type Method Description
    java.lang.String[] availableCodecs()
    Returns all registered available codec names
    org.apache.lucene.codecs.Codec codec​(java.lang.String name)  

    Methods inherited from class java.lang.Object

    clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
  • Field Details

    • DEFAULT_CODEC

      public static final java.lang.String DEFAULT_CODEC
      See Also:
      Constant Field Values
    • BEST_COMPRESSION_CODEC

      public static final java.lang.String BEST_COMPRESSION_CODEC
      See Also:
      Constant Field Values
    • LUCENE_DEFAULT_CODEC

      public static final java.lang.String LUCENE_DEFAULT_CODEC
      the raw unfiltered lucene default. useful for testing
      See Also:
      Constant Field Values
  • Constructor Details

    • CodecService

      public CodecService​(@Nullable MapperService mapperService, org.apache.logging.log4j.Logger logger)
  • Method Details

    • codec

      public org.apache.lucene.codecs.Codec codec​(java.lang.String name)
    • availableCodecs

      public java.lang.String[] availableCodecs()
      Returns all registered available codec names